Has anyone used the fuel mileage tune on their tuner?

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Jun 29, 2010 | 03:18 PM

lmrjason

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Joined: Jul 2009

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From: Charleston, SC

Has anyone used the fuel mileage tune on their tuner?

I've had the 91 tune on since i've got the tuner and i have always averaged around 15-17 mpg. I switched to the fuel mileage tune last month and now i average around 11 to 12 mpg's. Something doesn't seem right...

Jun 29, 2010 | 11:40 PM

hendrixx324

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Joined: Jan 2009

Posts: 1,801

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From: Pennsylvania

it definetly didnt help my millege so i just leftg it on the 81 tune.... I dont notice a diffrence in fuel millage

Jun 30, 2010 | 12:21 AM

Blown287

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Joined: Apr 2009

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From: Kekaha, HI

I tried it once when I still had the Cortex and I was not impressed. I dropped power and fuel mileage. 91 octane tune is the way to go IMHO.

Jun 30, 2010 | 12:56 PM

dakotaff

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Joined: Aug 2009

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From: Jersey

I tried it briefly, my MPG stayed about the same. I just stick to the 87 or 91 tunes.

Jun 30, 2010 | 01:14 PM

JimBio

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Joined: May 2010

Posts: 132

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From: Magnolia, Texas

I noticed the best mileage with the 91 tune. Getting 18 around town and 21 on the highway driving normal.

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